From: <ja...@fa...> - 2007-03-29 16:00:07
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Hey All! Something wierd today... Maybe someone has a clue for me. I built a plugon board to my gumstix; it's a sensor suite for my robot. It's been working well, and I've just about got the software to do what I want it to. Last night, when I shut down, it was working. This morning, when I powered it on, the wireless board no longer does anything. Yes, that is descriptive. :} If my sensor board is plugged into the gumstix, it gives all the appearance of being in reset mode. If I take my sensor board off, and plug in a serial board, everything comes up just fine. The only things that are connected to the hirose connector are the two serial ports, power, and ground. i.e., gpio42, 43 46 and 47. Everything else is open. Voltages look fine, everything seems normal... I've turned off all of my software that I had installed on the gumstix, so it should come up normally, and it still doesn't. Anyone have any ideas?? Thanks in advance! Jason -- |++++ Divide By Cucumber Error. Please Reinstall Universe and Reboot+++ |UUCP ja...@tx... Who wills, Can. |VOICE (412) 521-2162 Who tries, Does. |LOCAL Hey, Jason! Who loves, Lives. o_. |Disclaimer: Not me! I didn't do *THAT!* <| |Local Disclaimer: I'm not here! A. McCaffrey 4 |
From: <ja...@fa...> - 2007-03-29 17:07:51
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Hey Dave, Thanks, I'll give the resistor a try. The gumstix is about 3-4 months old at this point. I'll also recheck the soldering, although it looks fine under a microscope. ;} But touching it all down again won't take much time. It just suprised me... it was running fine last night.. :} Thanks! Jason -- |++++ Divide By Cucumber Error. Please Reinstall Universe and Reboot+++ |UUCP ja...@tx... Who wills, Can. |VOICE (412) 521-2162 Who tries, Does. |LOCAL Hey, Jason! Who loves, Lives. o_. |Disclaimer: Not me! I didn't do *THAT!* <| |Local Disclaimer: I'm not here! A. McCaffrey 4 |
From: Dave H. <dhy...@gm...> - 2007-03-29 16:38:11
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Hi Jason, > Yes, that is descriptive. :} If my sensor board is plugged > into the gumstix, it gives all the appearance of being in reset > mode. If I take my sensor board off, and plug in a serial board, > everything comes up just fine. Depending on the age of your gumstix, you may need a pullup resistor on the FFRXD line, otherwise it might drop into u-boot. Obviously, you should check the hirose connector soldering very carefully (i.e. under magnification). You could have a solder ball which changed position and is now causing a short someplace, or you could have a cold solder joint which just decided to not conduct any more. -- Dave Hylands Vancouver, BC, Canada http://www.DaveHylands.com/ |